Home / 816,486.75-1,126,790.15-453,916.67

Finding the Fourth Proportional to 816,486.75, 1,126,790.15 and 453,916.67

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Solution

The fourth proportional to 816,486.75, 1,126,790.15 and 453,916.67 is: 626,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,486.75 : 1,126,790.15 = 453,916.67 : x
  2. Step 2: Convert to fraction form
    816,486.75/1,126,790.15 = 453,916.67/x
  3. Step 3: Cross multiply
    816,486.75x = 1,126,790.15 × 453,916.67
  4. Step 4: Simplify right side
    816,486.75x = 511,468,824,773.27
  5. Step 5: Solve for x
    x = 511,468,824,773.27/816,486.75
  6. Step 6: Final answer
    x = 626,426.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.